C02F 2101/14
Fluorine or fluorine-containing compounds
C02F2101/14 (Fluorine or fluorine-containing compounds) appears on 224 US grants and 319 published applications in this corpus.
Search patents in C02F- Granted patents
- 224
- Published applications
- 319
- Assignees
- 226
- Inventors
- 933
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 9 | 9 |
| 2003 | 11 | 5 |
| 2004 | 3 | 4 |
| 2005 | 5 | 4 |
| 2006 | 2 | 7 |
| 2007 | 4 | 7 |
| 2008 | 6 | 8 |
| 2009 | 2 | 11 |
| 2010 | 1 | 13 |
| 2011 | 3 | 9 |
| 2012 | 9 | 12 |
| 2013 | 7 | 13 |
| 2014 | 6 | 10 |
| 2015 | 3 | 10 |
| 2016 | 5 | 17 |
| 2017 | 7 | 12 |
| 2018 | 14 | 15 |
| 2019 | 13 | 14 |
| 2020 | 16 | 14 |
| 2021 | 7 | 15 |
| 2022 | 12 | 22 |
| 2023 | 5 | 20 |
| 2024 | 15 | 28 |
| 2025 | 15 | 24 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separating ions in water using plastic ice VII29 Sep 2026US 12,747,165 B2International Business Machines Corporation
- Apparatus and method for treating waste water1 Sep 2026US 12,722,993 B2Samsung E&A Co., Ltd.
- Adsorbent resin for removing perfluorinated pollutants from body of water, preparation therefor, and use thereof25 Aug 2026US 12,715,787 B2Sunresin New Materials Co. Ltd.
- Methods and systems for electrochemical oxidation of polyfluoroalkyl and perfluoroalkyl contaminants25 Aug 2026US 12,715,794 B2University of Georgia Research Foundation, Inc.
- Method of chelating anions from a liquid using a composition comprising at least one macrocyclic hosting moiety28 Jul 2026US 12,692,180 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Resourceful Treatment Method of BOE Waste Liquid3 Sep 2026US 2026/0257948 A1Dongjiang Environmental Company Limited
- Processes for removing perfluoroalkyl substances and regenerating an adsorbent used with same30 Jul 2026US 2026/0216550 A1Uop LLC
- Method for producing iodine component-containing aqueous solution using inorganic flocculant with selective removal property of fluoride ion and phosphate ion9 Jul 2026US 2026/0193113 A1Godo Shigen Co., Ltd.
- Accelerated settlement of flocs after electrocoagulation/electrochemical process using ballasted flocculation2 Jul 2026US 2026/0184610 A1Evoqua Water Technologies LLC
- Extraction module and methods for extraction of a target species18 Jun 2026US 2026/0166493 A1Kunin Technologies, Inc.
Most cited
By later US patents
- Method for recovering fluorinated alkanoic acids from waste waters62US 6,613,941 B13M Innovative Properties Company · 2003
- Method of treating fluoride-containing water61US 5,043,072 AKurita Water Industries Ltd. · 1991
- Method for simultaneous removal of arsenic and fluoride from aqueous solutions49US 6,613,230 B2Ionics, Incorporated · 2003
- Method of producing pure water44US 5,571,419 AKurita Water Insustries Ltd. · 1996
- Process for the recovery of fluorinated alkandic acids from wastewater38US 6,518,442 B1Axiva GmbH · 2003